A hybrid LQR-PID control design for seismic control of buildings equipped with ATMD

Amir Hossein Heidari1, Sadegh Etedali2, Mohamad Reza Javaheri-Tafti1
1Department of Civil Engineering, Taft Branch, Islamic Azad University, Taft, Iran
2Department of Civil Engineering, Birjand University of Technology, Birjand, Iran

Tóm tắt

This paper presents an efficient hybrid control approach through combining the idea of proportional-integral-derivative (PID) controller and linear quadratic regulator (LQR) control algorithm. The proposed LQR-PID controller, while having the advantage of the classical PID controller, is easy to implement in seismic-excited structures. Using an optimization procedure based on a cuckoo search (CS) algorithm, the LQR-PID controller is designed for a seismic- excited structure equipped with an active tuned mass damper (ATMD). Considering four earthquakes, the performance of the proposed LQR-PID controller is evaluated. Then, the results are compared with those given by a LQR controller. The simulation results indicate that the LQR-PID performs better than the LQR controller in reduction of seismic responses of the structure in the terms of displacement and acceleration of stories of the structure.

Tài liệu tham khảo

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